8721738

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{21067}}^1$

素因数の和:21098

約数の個数: 24

約数和(自身を含む): 19719648

約数和(自身を除く): 10997910

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 21067, 42134, 63201, 126402, 189603, 379206, 484541, 969082, 1453623, 2907246, 4360869, 8721738]

約数ペア:

[(1, 8721738), (2, 4360869), (3, 2907246), (6, 1453623), (9, 969082), (18, 484541), (23, 379206), (46, 189603), (69, 126402), (138, 63201), (207, 42134), (414, 21067)]